The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 26, 1983
Filed:
Jan. 14, 1981
Applicant:
Inventors:
William E Leistner, Atlantic Beach, NY (US);
Motonobu Minagawa, Kosigaya, JP;
Kouji Tsuruga, Omiya, JP;
Masashi Harada, Yokohama, JP;
Assignee:
Phoenix Chemical Corporation, Atlantic Beach, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
524178 ; 2524 / ; 524285 ; 524291 ; 524292 ; 524396 ; 2604297 ; 560 51 ;
Abstract
1,3-Dicarbonyl compounds are provided having the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are defined in the description as well as metal and organotin enolate salts thereof. The compounds are effective in enhancing the resistance to deterioration by heat and light of polyvinyl halide resins.